| Name | CVE-2019-11833 |
| Description | fs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero out the unused memory region in the extent tree block, which might allow local users to obtain sensitive information by reading uninitialized data in the filesystem. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1823-1, DLA-1824-1, DSA-4465-1, ELA-133-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | fixed |
| stretch (security) | 4.9.320-2 | fixed | |
| stretch (lts), stretch | 4.9.320-3 | fixed | |
| buster (security), buster, buster (lts) | 4.19.316-1 | fixed | |
| bullseye | 5.10.223-1 | fixed | |
| bullseye (security) | 5.10.226-1 | fixed | |
| bookworm | 6.1.115-1 | fixed | |
| bookworm (security) | 6.1.119-1 | fixed | |
| trixie | 6.12.5-1 | fixed | |
| sid | 6.12.6-1 | fixed | |
| linux-4.9 (PTS) | jessie, jessie (lts) | 4.9.303-1~deb8u3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | wheezy | 3.16.68-2~deb7u1 | ELA-133-1 | ||
| linux | source | jessie | 3.16.68-2 | DLA-1823-1 | ||
| linux | source | stretch | 4.9.168-1+deb9u3 | DSA-4465-1 | ||
| linux | source | (unstable) | 4.19.37-4 | |||
| linux-4.9 | source | jessie | 4.9.168-1+deb9u3~deb8u1 | DLA-1824-1 |
Fixed by: https://git.kernel.org/linus/592acbf16821288ecdc4192c47e3774a4c48bb64